Snow guard



FIG. 1 is a perspective view of a snow guard in accordance with the present design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a back elevation view thereof;

FIG. 4 is a first-side elevation view thereof;

FIG. 5 is a second-side elevation view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

CLAIM The ornamental design of a snow guard, substantially as shown and described. 